ASE Technology Holding Co., Ltd. (ASX)
ASE Technology Holding Co., Ltd. (ASX) is listed on the New York Stock Exchange, where it has traded since October 2, 2000.
- Listed On
- the New York Stock Exchange
- Listed Since
- October 2, 2000
- Employees
- 114,179
- Market Cap
- $120.9B
About ASE Technology Holding Co., Ltd.
ASE Technology Holding Co Ltd is a semiconductor assembly and testing firm. The company operates in segments: Packaging, Testing, Electronic Manufacturing Services and others. Of these, Packaging segment contribute the maximum revenue. The packaging segment involves packaging bare semiconductors into completed semiconductors with improved electrical and thermal characteristics. The Testing Segment includes front-end engineering testing, wafer probing, and final testing services. In the EMS segment, the company designs manufactures, and sells electronic components and telecommunication equipment motherboards. The company is based in Taiwan but generates over half its sales from firms in the United States.
Institutional ownership
In 13F filings for the quarter ended September 30, 2026, 18 institutions reported holding ASX, with 215,109 shares worth $9.6 million in aggregate. The largest reported holder was Legacy Wealth Asset Management, with 106,351 shares worth $4.7 million. Of the 5 largest holders listed below, 2 added shares and 3 reduced their positions during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Legacy Wealth Asset Management | 106,351 | $5M | Reduced 21.23% |
| Gamma Investing | 29,019 | $1M | Added 4.7% |
| Confluence Investment Management | 17,363 | $772K | Reduced 15.25% |
| Farther Finance Advisors | 16,452 | $731K | Reduced 5.97% |
| Valeo Financial Advisors | 12,242 | $544K | Added 5.11% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ASX?
ASE Technology Holding Co., Ltd. (ASX) is listed on the New York Stock Exchange, where it has traded since October 2, 2000.
Who are the largest institutional holders of ASX?
In 13F filings for the quarter ended September 30, 2026, the largest reported holders of ASX were Legacy Wealth Asset Management, Gamma Investing and Confluence Investment Management.
How many institutions own ASX?
18 institutions reported a position in ASX for the quarter ended September 30, 2026, worth $9.6 million in total.
Did institutions buy or sell ASX last quarter?
Of the 5 largest reported holders, 2 added shares and 3 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for ASX.
Every reported institutional holder, plus insider and congressional trades in ASX, on SentiSense.